def init_info(self, info):
if info is self.info:
return
fallback, fallback_active = self.default_icon_path()
if info.favicon:
thumb_path = info.favicon
else:
thumb_path = fallback
# we don't use the ImagePool because 'favicon.ico' is a name with too
# many hits (#16573).
try:
image = widgetset.Image(thumb_path)
if image.width > 16 or image.height > 16:
image = imagepool.resize_image(image, 16, 16)
info.icon = widgetset.ImageSurface(image)
if not info.favicon:
info.active_icon = imagepool.get_surface(fallback_active,
size=(16, 16))
except ValueError:
# 16842 - if we ever get sent an invalid icon - don't crash with
# ValueError.
info.icon = imagepool.get_surface(fallback, size=(16, 16))
info.active_icon = imagepool.get_surface(fallback_active,
size=(16, 16))
info.unwatched = info.available = 0
info.type = self.type
def create_new_value(self, (path, size), invalidator=None):
try:
image = widgetset.Image(path)
except StandardError:
logging.warn("error loading image %s:\n%s", path,
traceback.format_exc())
image = broken_image
if size is not None:
image = resize_image(image, *size)
return image
class ImageSurfacePool(util.Cache):
def create_new_value(self, (path, size), invalidator=None):
image = _imagepool.get((path, size), invalidator=invalidator)
return widgetset.ImageSurface(image)
_imagepool = ImagePool(CACHE_SIZE)
_image_surface_pool = ImageSurfacePool(CACHE_SIZE)
def get(path, size=None, invalidator=None):
"""Returns an Image for path.
:param path: the filename for the image
:param size: if the image needs to fit into a specified sized
space, then specify this and get will return a
scaled image; if size is not specified, then this
returns the default sized image
:param invalidator: an optional functions which returns True if
class ImageSurfacePool(util.Cache):
def create_new_value(self, (path, size)):
image = _imagepool.get((path, size))
return widgetset.ImageSurface(image)